Flue-plug.



W. F. PETERS. FL-UE PLUG. APPLIOATION TILED JUNE so, 1910.

974,81 9. Patented Nov. 8, 1910.

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nnirn WILLIAM F. PETERS, OF WAVERLY, NEW YORK.

ELITE-PLUG.

Specification of Letters Patent.

Patented Nov. 8, 191.0.

Application filed June 30, 1910. Serial No. 569,789.

To all whom it may concern:

Be it known that I, WILLIAM F. PETERS, a citizen of the United States,residing at lVaverly, in the county of Tioga and State of New York, haveinvented a new and useful Flue-Plug; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same.

The invention relates to a flue plug and has for its object to providean improved device of this character especially adapted for pluggingfines of locomotives when they begin to leak, but of course it will beseen that this device may be applied also to stationary engines.

One of the objects of the invention is to provide an eflicient flue plugthat can be readily and effectively applied to a leaking flue and stopthe leakage without closing the flue.

\Vith these and other objects in View, the invent-ion consists in thenovel construction and arrangement of parts hereinafter described andshown and particularly pointed out in the claims.

In the drawings forming a part of this specification, Figure 1 is alongitudinal sectional view through a portion of a flue showing my plugapplied thereto. Fig. 2 is a longitudinal sectional view taken at rightangles to Fig. 1. Fig. 3 is an end View. Fig. i is a plan view of anordinary rake handle which can be used for inserting the plug in aleaking flue.

eferring to the drawings, 3 designates a packing ring, which is made ofmetal and is provided with a lining of asbestos on the inner side of thepacking ring, where the same is pressed against the leaking flue. Theasbestos 4: serves to aid in the effectiveness of the packing ring bystopping those leaks which might not be cured by the metallic ring. Thepacking ring 3 is provided with arms 5, which are disposed opposite toeach other and are mounted on pivot rods 6, which extend through a pairof cars 7 and the outer ends of said arms.

The arms 5 are provided with teeth or serrations 8 on their outer faces.The arms 5 are pressed outwardly from each other by means of a spring 9,which is connected with each arm, as clearly shown in the drawings. Whenthe flue 10 springs a leak, the arms 5 are inserted in the flue andforced inwardly by the rack handle 11, until the packing ring pressesagainst the leak. Then the spring 9, by pressing the arms in oppositedirections, forces the teeth or serrations 8 against the wall of theflue, thereby preventing displacement of the flue plug.

Having thus described the invention, what I claim is 1. In an open endpacking ring for flues, a pair of arms pivoted to said ring, a U- shapedspring connected to each of said arms for pressing the same in oppositedirections, and means carried by said arms for preventing displacementof the same when inserted in a fine.

2. A packing ring for flues having an opening communicating with theinterior of said flue, arms pivotally connected with said ring andadapted to engage the walls of said flue, and a spring connected witheach of said arms for pressing the same in opposite directions.

3. A packing ring for flues having an opening communicating with theinterior of said flue, arms pivotally connected to said ring, a springdisposed between said arms and adapted to press the same in oppositedirections, the free ends of said arms being so constructed as toconverge, for facilitating their insertion in the flue.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

WILLIAM F. PETERS.

itnesses:

WALTER PETERS, HELENA DECKER.

